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Fuel Cost Calculator

Estimate the fuel and cost of any trip before you set offThe road trip is planned, the playlist is ready, and then someone asks: how much will the fuel actually cost? Enter trip distance, fuel efficiency and price per liter, and get the total cost plus the liters the journey needs.

✓ Free to use✓ No sign-up✓ Ready in your browser
// FUEL COST CALCULATOR · GET STARTED

Use Fuel Cost Calculator

Estimate the fuel and cost of any trip before you set off

Changing this also sets the matching price unit below. You can still change the price unit yourself.

Double the distance for a return journey

Total trip cost

$ 30.86

Fuel needed

32.45 litres (8.57 US gallons)

Trip distance used

300.00 miles (482.80 km)

Cost per mile

$ 0.10

Cost per km

$ 0.06

Estimate Based on steady efficiency for the whole trip. Traffic, hills, load and driving style will change the real figure a little.

// FUEL COST CALCULATOR · HOW IT WORKS

How to use the Fuel Cost Calculator

01

Enter the distance

Enter the trip distance and pick miles or kilometres. Tick round trip if you are coming back the same way.

02

Add vehicle efficiency

Enter your vehicle efficiency and pick its unit: MPG (US), litres per 100 km, or km per litre.

03

Add price and see the cost

Enter the fuel price, check the price unit matches, and read the fuel needed, the total cost, and the cost per mile or km.

// FUEL COST CALCULATOR · ABOUT THIS TOOL

About the Fuel Cost Calculator

Knowing what a trip will cost before you leave changes decisions. This calculator takes your trip distance and vehicle efficiency and gives three numbers: fuel burned, total cost, and cost per mile or kilometre.

It speaks every common efficiency language: MPG, litres per 100 km, or km per litre, and mixes distance and price units freely, with conversions handled for you.

Where it helps most

Three numbers in, two honest numbers out.

Road trips

Price the journey before you leave, and split costs with a number everyone can verify instead of a guess someone resents.

Daily commutes

Commuters compare the true monthly cost of driving against a bus pass or carpool, including the fuel price swings that make last month unreliable.

Delivery routes

The cost per kilometer that falls out of the calculation is the most useful figure: multiply it by any distance to price a commute, a delivery route or a weekend getaway.

Choosing a car

Drivers choosing between two cars, or petrol versus diesel versions of the same model, run realistic annual fuel costs from actual mileage rather than brochure claims.

Using it well

Both efficiency languages spoken.

Your units, your way

Some drivers know km per liter, others track liters per 100 km or miles per gallon; enter whichever figure you have and the math adapts.

Cost per kilometer

The quietly useful figure that falls out of every calculation: multiply it by any distance and price any trip without reopening the tool.

Rerun when prices jump

When fuel prices jump, rerun the numbers before deciding the trip is suddenly unaffordable; often the increase is smaller than the anxiety.

Fuel Cost Calculator: built for trust

Enter distance, efficiency and price per liter, and get the total fuel cost plus exactly how many liters the journey needs.

// FUEL COST CALCULATOR · COMMON QUESTIONS

Fuel Cost Calculator FAQs

Divide the trip distance by your vehicle's fuel efficiency to get liters needed, then multiply by the price per liter. A 400 km trip at 12 km per liter uses about 33.3 liters. The calculator does both steps and shows the total cost directly.
// FUEL COST CALCULATOR · KEEP EXPLORING

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